Henan Weixin Tendering Management Consulting Co., Ltd. was entrusted by the user to conduct public bidding for the display system project of the Zhengdong New District Public Security Bureau Command Center of Zhengzhou Public Security Bureau. Now the bidding project requires online publicity, and the contents of the public suppliers are requested. Whether there are propensity, discriminatory and other content to put forward relevant opinions and suggestions.
All comments shall be submitted to Henan Weixin Tendering Management Consulting Co., Ltd. in writing (with official seal of the unit) before 18:00 on April 24, 2009, and will not be accepted after the deadline.
I. Content of the bidding project:
Serial number: 2
Name: Indoor double primary color LED display unit: ┫
Quantity: 10.56, 3.65, 3.65
Second, business requirements
1. Delivery time and installation period:
(2) LED display system delivery time: 10 calendar days
(4) Installation period: 15 calendar days;
2. Place of delivery: The place designated by the tenderer.
Third, technical requirements:
2, LED display technical parameters
2.1 indoor LED display technical indicators
1) Specifications: Φ3.75;
2) Diameter: Φ3.75;
3) Spacing: 4.75mm;
4) Pixel density: 44100 points / ┫;
5) Cell board size: 0.384 m × 0.151 m;
6) Display resolution: 80×32;
7) Display primary color: double primary color;
8) Pixel composition: red, green;
9) Display color: 65536 colors;
10) Level gray: 256 levels;
11) Maximum power: 650 W/┫;
12) Average power: 450 W/┫;
13) Display mode: offline display or synchronous display;
14) Refresh rate: 120HZ;
15) Scan format: 1/16 scan;
16) Transmission distance: 2 km for offline system and 80 meters for synchronous system (no relay);
17) Working voltage: AC 220V ± 15% 40 - 60HZ;
18) Working temperature: minus 30 degrees - 60 degrees above zero;
19) Service life: 100,000 hours;
20) A total of three pieces, about 18 square meters. Company Name: Henan Weixin Tendering Management Consulting Co., Ltd. Contact: Ms. Wang Tel: 0371-65528295 E-mail: Fax: Postal Code: Address:
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